mirror of
https://gitlab.com/pulsechaincom/erigon-pulse.git
synced 2025-01-04 01:54:28 +00:00
39 lines
722 B
Go
39 lines
722 B
Go
package tool
|
|
|
|
import (
|
|
"context"
|
|
"strconv"
|
|
|
|
"github.com/ledgerwatch/erigon-lib/kv"
|
|
"github.com/ledgerwatch/erigon/core/rawdb"
|
|
"github.com/ledgerwatch/erigon/params"
|
|
)
|
|
|
|
func Check(e error) {
|
|
if e != nil {
|
|
panic(e)
|
|
}
|
|
}
|
|
|
|
func ParseFloat64(str string) float64 {
|
|
v, _ := strconv.ParseFloat(str, 64)
|
|
return v
|
|
}
|
|
|
|
func ChainConfig(tx kv.Tx) *params.ChainConfig {
|
|
genesisBlock, err := rawdb.ReadBlockByNumber(tx, 0)
|
|
Check(err)
|
|
chainConfig, err := rawdb.ReadChainConfig(tx, genesisBlock.Hash())
|
|
Check(err)
|
|
return chainConfig
|
|
}
|
|
|
|
func ChainConfigFromDB(db kv.RoDB) (cc *params.ChainConfig) {
|
|
err := db.View(context.Background(), func(tx kv.Tx) error {
|
|
cc = ChainConfig(tx)
|
|
return nil
|
|
})
|
|
Check(err)
|
|
return cc
|
|
}
|